Memorial marker



FIG. 1 is a top, front, right side perspective view of a memorial marker showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a left side elevational view thereof.

The flag, cross and plaque shown in dashed lines are included for the purpose of illustrating environment and form no part of the claimed design. 

The ornamental design for a memorial marker, as shown and described. 